Home / 191,610,453.42-287,411,555.61-53,432,382.78

Finding the Fourth Proportional to 191,610,453.42, 287,411,555.61 and 53,432,382.78

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Solution

The fourth proportional to 191,610,453.42, 287,411,555.61 and 53,432,382.78 is: 80,147,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,610,453.42 : 287,411,555.61 = 53,432,382.78 : x
  2. Step 2: Convert to fraction form
    191,610,453.42/287,411,555.61 = 53,432,382.78/x
  3. Step 3: Cross multiply
    191,610,453.42x = 287,411,555.61 × 53,432,382.78
  4. Step 4: Simplify right side
    191,610,453.42x = 15,357,084,254,748,778
  5. Step 5: Solve for x
    x = 15,357,084,254,748,778/191,610,453.42
  6. Step 6: Final answer
    x = 80,147,424.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.